is 2 2952431 - 1
has 888771 decimal digits
takes 0.251 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26710.064267.1642%----10.064267.1642%0.0000%
PrimeNet2600.052063.3333%120002200000.00292.5077%0.054964.2528%0.9195%
GPU722641.205665.6250%120002000000.00271.3469%1.208366.0880%0.4630%
Difference+3+8.8587+1.5392%-12000-200000-0.0027-1.3469%+8.8559+1.0762%+1.0762%

Known prime factors (4 factors, 149.4 bits, 0.00506171% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
29524315904863722.4931
1
-111.893e-131.234e-72.512e-7
295243176763207826.19413
13
2008-09-071133.037e-122.041e-72.512e-7
2952431124002103926.88621
3 × 7
2008-09-07373.042e-123.971e-77.535e-7
2952431172672177286456307402172373.8702924237302860868
22 × 1327 × 405763 × 1357717
2018-06-024057631357717668.640.05650.1019

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
29524314532762207756411548.687
29524317322154299268891549.379
295243195187991010243211653.080
2952431562072046160717751730232375.573
29524311019605550788236250695699752713096.364
2952431132548700881809438215684079591931100.064
2952431214117131131094155354835467635131100.756
2952431782681919535063924770578941271265409737122.558
29524311264332325282146027471019823926199491338123.250
295243116436317659262324783993393453014981765739126.950
295243197054204002424708910985581245150404273956599145149.444
P-1 results:
No P-1 results for M2952431


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-07T19:43:00Will EdgingtonManual testing??26.88691.37639e-140.5623.07644e-14
2008-09-07T19:43:00Will EdgingtonManual testing??26.19488.52050e-150.5621.90446e-14


ECM factoring results:

Old Calculation Method

Total ECM effort:0.463 GHz-days
Estimated T-Level:0.200
DigitsB1CurvesCompleteFacMiss
20110004 / 1000.04096.060%
25500004 / 2800.01498.579%

New Calculation Method

Total ECM effort:0.463 GHz-days
Estimated T-Level:0.200
DigitsB1CompleteFacMiss
20110000.15485.740%
25500000.01498.587%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.347
50000500000010.116


Lucas-Lehmer results:
No L-L results for M2952431


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-25T22:52:31Oliver KruseGTX-2
5904863
76763207
124002103
BC0AF01E456186__no
2017-12-09T13:39:36kkmrkkblmbrbkc4.xlarge
5904863
76763207
124002103
BC0AF01E456186__no
2018-06-06T09:43:15Oliver KruseGTX-1
5904863
76763207
124002103
17267217728645630740217
BC0AF01E456186__no


P-1 factor-bounds graph:
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
TF factor-bounds graph:
267
2
220
230
240
250
260
270
280
290
2100
Last modified: 2019-01-09T07:55:15+00:00